Ski binding



FIG. 1 is a front and right side perspective view of a ski binding showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear end view thereof; and,

FIG. 7 is a front end view thereof.

The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and do not form part of the claimed design. 

I claim the ornamental design for a ski binding, as shown and described. 